Roller window screen



Feb. 22, 1949. w, MARBACH 2,462,520

ROLLER WINDOW SCREEN Filed Feb. 11. 1947 grw WM M41, w $42546 Patented Feb. 22, 1949 UNITED STATES PATENT OFFICE ROLLER WINDOW SCREEN William Marbach, Chicago, Ill.

Appiication February 11, 1947, Serial No. 727,743

3 Claims. 1

This invention relates to a new and improved window screen and more particularly and specifically to a roller type screen of which the following is a specification.

The primary object of this invention resides in the provision of a window screen which is conveniently placed adjacent a window and which cooperates with the window to screen in the opening occurring with the raising of the window sash.

Another object of this invention is the provision of a roller window screen which is normally carried external the window on a roller carried in an out-of-the-way position adjacent the window from which it operates automatically with the window as described.

Still another object of this invention resides in the provision of an improved guide means for the roller screen which maintains it in a correct position when open and which acts to protect and preserve the screen in operation.

Still a further object of this invention is the provision of a roller window screen of the character described which is of a simple, durable and extremely inexpensive design, construction, and installation.

Still further improvements and advantages of this invention will readily appear to those skilled in the art when the following description is read in the light of the accompanying drawings in which:

Fig. 1 is a front elevation of the screen installation.

Fig. 2 is a vertical section taken on line 22 of Fig. 1.

Fig. 3 is an enlarged elevation of the roller guide.

Referring now to the accompanying drawings which illustrate the preferred embodiment of this invention and in which like numerals indicate similar parts throughout A designates the frame of a conventional window slidably mounting a pair of window sashes I and 2 therein conventionally counted one above the other with the lower sash 2 slidable outside the upper sash l as illustrated.

A pair of flat plates 3 and 4 are identically and oppositely mounted one on each inner side of each side frame of the window adjacent the sill 6 thereof.

A pair of cylindrical tubes 1 and 8 are horizontally rotatably mounted one in each of the plates 3 and 4 and an elongated cylindrical rod 8 is mounted securely between these tubes and is adapted for rotation therewith.

Each of the tubes, 7 and 8, are provided with a plurality of equally spaced radial arms [0 .eX- tending therefrom and rotatable therewith.

A pair of elongated flat metallic bands or strips H and i2 are vertically secured from each lower corner of the lower sash 2 in a depending position therefrom to extend downwardly adjacent the arms of said tubes and to extend slidably into provided slots in the sill 6 directly therebeneath, thus adapting them for vertical cooperating movement with the lower sash. These bands are provided with a plurality of vertically spaced apertures i3 throughout their length and these apertures are positioned so as to alternately engage the arms of the adjacent tube with the vertical movement of the bands with the sash thus rotating the tubes and the rod 9 cooperatively with the vertical movement thereof.

A section of window screen B, of an area equal to the lower sash, is mounted about the roller rod 9 with the outer free end thereof secured as at M to the lower edge of the lower sash and with the vertical side edges thereof disposed inward and under the metallic bands thus adapting said bands to guide the screen when it is unrolled and rolled from and onto the roller rod with the vertical movement of the sash.

It may be readily seen that a similar arrangement could be easily installed on the upper sash in cooperation with the top frame of the window for the same operation and purpose as that arrangement set forth.

It may also be seen that the construction and scope of this invention is not limited by the use of any particular materials as the use of wood, metal and plastics are possible in combination throughout.

Thus it may be seen that an inexpensive and easily operable screen has been provided which is operable with the raising or lowering of a window sash to screen in any or all of the area of the window covered by the sash, and a screen which is easily adaptable to be provided and interchanged in varied sizes to suit varied needs.

Having thus described and explained this invention and with full belief that modifications in size, materials and general characteristics would not constitute departure from the spirit of this invention what I desire to claim in Letters Patent is:

I claim:

1. In combination with a window and window sash a window screen comprising, a roller rotatably mounted transverse the window frame bottom, 2. window screen reeled on said roller and secured at one end to said sash, a plurality of radial arms carried by said roller, and a plurally perforated band secured to said sash and. slidable adjacent said roller arms, said band perforations successively engaging said arms to rotate said roller with movement of said sash.

2. A device as set forth in claim 1 wherein, a pair of said bands are carried by said sash, one adjacent each side of said screen, said bands are verticallyslidable adjacent each end of said roller, said roller is provided with said projecting arms adjacentfeach of said bands, and said bands guide said screen with the vertical contemporaneous movement of said screen and said hands when said sashfis vertically moved. 7

3. In connection with a window having a window frame-and a window sash vertically slidable in said frame, a window screen structure including a roller mounted for rotation transversely of said window frame adjacent to the lower end thereof, a screen reeled on the roller and having the upper end thereof secured to the lower end of the sash, a plurality of radially-extending arms disposed upon each end of said roller, a pair of serially-apertured metal strips secured to the lower end of said sash at the sides thereof and depending therefrom slidably adjacent to the radially-extending arms at the ends of said roller in eifective position to cause the apertures in said metal strips to successively engage said radially-extending arms to rotate said roller upon vertical movement of said sash. WILLIAM MARBACH.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS 

